These refurbished Hewlett Packard PC units are in great condition and are excellent everyday PC systems. They have a powerful Intel Dual Core 2.93 Ghz processor, 4 GB DDR3 RAM and a 160 Gigabyte Hard Disk Drive They come installed with Windows 7 Professional which is fully updated and licensed and are supplied with a lovely 20 Inch widescreen Monitor. Additional hardware and Windows 10 upgrades can be applied below.